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authormadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-08-30 23:06:13 +0200
committermadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-08-30 23:06:13 +0200
commit539364846a89987ac2679988653f50332cb91d26 (patch)
treef1695473c1f493a19c5fbdb70f7f1faccf99d7f3 /CryptoPP/rw.h
parentUpdated to V6 - "Stop" and "Progress report" functionality (diff)
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Diffstat (limited to 'CryptoPP/rw.h')
-rw-r--r--CryptoPP/rw.h92
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diff --git a/CryptoPP/rw.h b/CryptoPP/rw.h
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+#ifndef CRYPTOPP_RW_H
+#define CRYPTOPP_RW_H
+
+/** \file
+ This file contains classes that implement the
+ Rabin-Williams signature schemes as defined in IEEE P1363.
+*/
+
+#include "pubkey.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+class CRYPTOPP_DLL RWFunction : public TrapdoorFunction, public PublicKey
+{
+ typedef RWFunction ThisClass;
+
+public:
+ void Initialize(const Integer &n)
+ {m_n = n;}
+
+ void BERDecode(BufferedTransformation &bt);
+ void DEREncode(BufferedTransformation &bt) const;
+
+ Integer ApplyFunction(const Integer &x) const;
+ Integer PreimageBound() const {return ++(m_n>>1);}
+ Integer ImageBound() const {return m_n;}
+
+ bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
+ bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
+ void AssignFrom(const NameValuePairs &source);
+
+ const Integer& GetModulus() const {return m_n;}
+ void SetModulus(const Integer &n) {m_n = n;}
+
+protected:
+ Integer m_n;
+};
+
+//! _
+class CRYPTOPP_DLL InvertibleRWFunction : public RWFunction, public TrapdoorFunctionInverse, public PrivateKey
+{
+ typedef InvertibleRWFunction ThisClass;
+
+public:
+ void Initialize(const Integer &n, const Integer &p, const Integer &q, const Integer &u)
+ {m_n = n; m_p = p; m_q = q; m_u = u;}
+ // generate a random private key
+ void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits)
+ {GenerateRandomWithKeySize(rng, modulusBits);}
+
+ void BERDecode(BufferedTransformation &bt);
+ void DEREncode(BufferedTransformation &bt) const;
+
+ Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const;
+
+ // GeneratibleCryptoMaterial
+ bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
+ bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
+ void AssignFrom(const NameValuePairs &source);
+ /*! parameters: (ModulusSize) */
+ void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
+
+ const Integer& GetPrime1() const {return m_p;}
+ const Integer& GetPrime2() const {return m_q;}
+ const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;}
+
+ void SetPrime1(const Integer &p) {m_p = p;}
+ void SetPrime2(const Integer &q) {m_q = q;}
+ void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;}
+
+protected:
+ Integer m_p, m_q, m_u;
+};
+
+//! RW
+struct RW
+{
+ static std::string StaticAlgorithmName() {return "RW";}
+ typedef RWFunction PublicKey;
+ typedef InvertibleRWFunction PrivateKey;
+};
+
+//! RWSS
+template <class STANDARD, class H>
+struct RWSS : public TF_SS<STANDARD, H, RW>
+{
+};
+
+NAMESPACE_END
+
+#endif